Brane-World Cosmology, Bulk Scalars and Perturbations

Brax, Philippe; Davis, Anne C.; van de Bruck, Carsten

doi:10.1088/1126-6708/2001/10/026

Article
Report number	hep-th/0108215 ; CERN-TH-2001-225 ; DAMTP-2001-51 ; CERN-TH-2001-225 ; DAMTP-2001-51 ; SACLAY-SPHT-T-2001-168
Title	Brane-World Cosmology, Bulk Scalars and Perturbations
Related title	BRANE-WORLD
Author(s)	Brax, Philippe (CERN) ; van de Bruck, Carsten (Cambridge U., DAMTP) ; Davis, Anne C. (Cambridge U., DAMTP)
Affiliation	(CERN)
Publication	2001
Imprint	29 Aug 2001
Number of pages	28
Note	Comments: 29 pages, one figure, JHEP3-style 29 pages, one figure, JHEP3-style
In:	JHEP 10 (2001) 026
DOI	10.1088/1126-6708/2001/10/026
Subject category	Particle Physics - Theory
Abstract	We investigate aspects of cosmology in brane world theories with a bulk scalar field. We concentrate on a recent model motivated from supergravity in singular spaces. After discussing the background evolution of such a brane-world, we present the evolution of the density contrast. We compare our results to those obtained in the (second) Randall-Sundrum scenario and usual 4D scalar-tensor theories.